Oyster Harbour Catchment Group
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Walckenaer's Studded Triangular Spider 
Arkys walckenaeri 

Picture
photographed by Simon Groves
Arkys walckenaeri, the triangular spider or Walckenaer's studded arkys, is a common Australian spider belonging to the family Arkyidae. Its triangular abdomen resembles the heart-shape and its bold colours make it one of Australia's most photographed spiders.

​Small to medium-sized, females averaging 6mm and males averaging 4mm. They are an ambush hunter on foliage, waiting with outstretched arms for insects and other arthropods to come wthin range. Is junoir synonym A. clavatus means studded with nails, referring to the pattern on the abdomen.
 


Fun fact: The egg sac is pear-shaped, 10mm long and containing around 50 golden yellow eggs, diameter 0.8mm.
 
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We acknowledge the Minang and Koreng people as the traditional custodians of the land on which we work and live. We pay our respects to the Elders, past, present, and emerging and to the wider Noongar community. ​

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  • HOME
  • ABOUT
    • Our Groups Story >
      • Meet our Committee of Volunteers
      • Meet Our Staff
      • Our Fellow Community Groups
    • Catchment History
    • Natural Resources
    • Threats >
      • Erosion
      • Cats: Feral, Stray and Domestic
      • Feral Rodents
      • Invasive Plants
    • Natural Wonders >
      • Biodiversity >
        • Seagrass meadows
        • Spiders
        • Western Ringtail Possum
  • PROJECTS
    • Regional Landcare Program
    • Looking Forward, Looking Back: farm planning
    • "uPtake" fertiliser trial
    • Healthy Estuaries WA >
      • Nutrient Mapping
    • Taking Past Learnings into the Future
    • Ranges Link
    • Past Projects
  • GET INVOLVED
    • Membership
    • Donate
    • Have Your Say
    • Newsletter
    • Citizen Science and other volunteering opportunities
    • Albany and Surrounds Feral Cat Working Group >
      • Albany and Surrounds Cat Blog
    • 2022 Oyster Harbour Estuary Forum
  • CONTACT US
  • RESOURCES
    • For Youth and the Youthful at Heart